*{
    padding: 0;
    margin: 0;
}
body {
    width: 100%;
    overflow: hidden;
    background:url("../images/bgrepeat.png") repeat;
}
/*适配600以下屏宽*/
@media screen and (max-width: 1024px) {

    .page {
        width: 100%;
    }
}

/*适配600以上屏宽*/
@media screen and (min-width: 1024px) {
    .page {
        width: 640px;
        max-width: 640px;
        margin-left: calc(50% - 320px);
    }
}
.page{
    padding-top: 60px;
    height: auto;
}
.hide{
    display: none;
}
.page div{
    margin-top: 25px;
}
.text{
    width: 96%;
    margin-left: 2%;
    line-height: 30px;
    font-size:20px;
}

.opt{
    width: 100%;
    height: 82px;
    margin: 30px auto;
}
.opt img{
    width: 35%;
    padding-left: 10%;
}
.header{
    position: fixed;
    left: 0px;
    top: 0px;
    background: url("../images/headerpx.png") repeat-x;
    width: 100%;
    height: 45px;
    line-height: 45px;
    font-size: 1em;
}
.header .headertext{
    float: left;
    color: #fff;
    width: 25%;
    height: 45px;
    line-height: 45px;
    text-align: center;
}